A fishing pole, bait, and a hook.
A fishing rod or a fishing pole is a tool used to catch fish,
Humans use fishing poles for fishing
A fishing net
sticks
No one calls any fishing tool "a tackle." Tackle (from the verb to take) means the gear or equipment used in certain sports and activities.
Fishing rods, nets, bait, spears, etc.....
the utah killer bug is a fishing tool to catch fish
A trammel is a tool used to restrain a horse's ambling. It is also a type of fishing net.
A tool for removing hooks from fish. Needle nose pliers work as well.
Poseidon's symbol was a trident, a three pronged pitchfork-like tool, used for fishing
You can catch raw lobsters with a Fishing level of 40 or higher. Lobsters can be caught at any Cage/Harpoon fishing spot with a lobster pot (which will be in your tool-belt). The most convenient place to catch lobsters in Free-to-play would be Karamja, and in pay-to-play, Catherby or the fishing guild.
In ponds and lakes. Use the terrain tool for water and dig a pond. The bigger it is the easier it will be to fish in it.